S3 Ventures

Since our founding in 2005, all our returns have flowed to a single philanthropic family with a multi-billion dollar foundation addressing social inequities With one limited partner, we can be patient, flexible investors — undistracted by fundraising and unencumbered by constraints faced by traditional venture capital firms

We are committed to empowering visionary founders with the patient capital and true resources required to build extraordinary, high-impact companies.

Our 55+ startup investments have raised over $2B with 25+ currently active and 30+ realized exits collectively valued over $3B.

We are with you all the way.

We invest in entrepreneurs re-imagining the way the world works, lives, and heals.

transforming how companies operate inside and out changing the way consumers live, learn, and play improving the human condition through medical devices and software

We believe big ideas should have the opportunity to change the world.

We are a dedicated team of entrepreneurs, operators, and investors with a breadth of experiences and balance of perspectives

Partnering for over a decade, we are collectively committed to delivering patient capital, true resources, and big impacts

Homegrown tools that our portfolio companies (and many others) have found helpful.